131432420000 has 120 divisors (see below), whose sum is σ = 369535785696. Its totient is φ = 45062496000.

The previous prime is 131432419999. The next prime is 131432420023. The reversal of 131432420000 is 24234131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 329402 + ... + 609401.

Almost surely, 2^131432420000 is an apocalyptic number.

131432420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131432420000 is an abundant number, since it is smaller than the sum of its proper divisors (238103365696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131432420000 is an frugal number, since it uses more digits than its factorization.

131432420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938840 (or 938817 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 131432420000 its reverse (24234131), we get a palindrome (131456654131).

The spelling of 131432420000 in words is "one hundred thirty-one billion, four hundred thirty-two million, four hundred twenty thousand".